jsonwrapper.go

// Copyright (c) 2022 Uber Technologies, Inc.
//
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// of this software and associated documentation files (the "Software"), to deal
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE SOFTWARE.

package jsonwrapper

import "encoding/json"

// JSONWrapper provides an interface for json marshaling and unmarshaling operations
type JSONWrapper interface {
	Unmarshal(data []byte, v interface{}) error
	Marshal(v interface{}) ([]byte, error)
}

// defaultJSONWrapper implements the JSONWrapper interface with the golang encoding/json lib
type defaultJSONWrapper struct {
}

// NewDefaultJSONWrapper returns an instance of defaultJSONWrapper
func NewDefaultJSONWrapper() JSONWrapper {
	return &defaultJSONWrapper{}
}

// Unmarshal converts a byte array into its Go representation
func (j *defaultJSONWrapper) Unmarshal(data []byte, v interface{}) error {
	return json.Unmarshal(data, v)
}

// Marshal serializes to a byte array
func (j *defaultJSONWrapper) Marshal(v interface{}) ([]byte, error) {
	return json.Marshal(v)
}